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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

The relationship between free energy and electron movement along the electron transport chain The relationship between free energy and electron movement along the electron transport chain
Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge
Do you know what that large object in the center of the photo is? In the 1920s, 30s, and 40s, ... Do you know what that large object in the center of the photo is? In the 1920s, 30s, and 40s, ...
Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face. Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face.
Three-dimensional models of the small and large subunits of ribosomes. Three-dimensional models of the small and large subunits of ribosomes.
Electromagnetic Spectrum of Radiant Energy Electromagnetic Spectrum of Radiant Energy
Video: Segmentation and migrating motility complexes & Gastroileal reflex

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